these 4 derivations will be built:
  /nix/store/51ciwiiv667jqxwx5qfic0vi3aijs5l2-clan-cli-source.drv
  /nix/store/izx2gn0hsmsw3sickr4vwzkdbkfb9ifm-clan-cli.drv
  /nix/store/49q4k63902xnh0ya9xhmk4zbqvq6kw56-tofu.drv
  /nix/store/7s87149lkbswsr20lwl99hdj81fw1k0y-cache-new.drv